Feature:1. Clear sound quality, the moving coil unit after structural adjustment, the sound is very pleasant.2. Combined with the arc‑shaped moving coil acoustic structure, the vocals are mellow and high‑frequency melodious.3. Support pause/play previous song/next song/answer/hang up incoming call.4. Rugged and durable, with threaded black stranded wire, the wire is relatively stable and not easy to break.5. Lightweight and portable HIFI headset, light weight, easy to carry and use.How to Use:Plug and play.Specification:Item Type: Metal HeadphoneMaterial: PlasticDynamic Specifications: 12mm dynamic speakerSpeaker Resistance: 16ΩFrequency Response Range: 20-20kHzSensitivity: 105dB±3dBWire Material: Threaded black stranded wireCable Length: Approx. 120cm/47.2in (±3cm)Plug Diameter: 3.5mmVoice Coil Material: Copper voice coilMaximum Power: 5MwMicrophone: -42dB±3dB Package List:1 x Headphone4 x Earplugs1 x Clip Note:1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.